CVE-2019-1384
Microsoft Windows Security Feature Bypass Vulnerability
CVE-2019-1384 is fixed in 39 products on 1 platform, first by KB4525236, released November 12, 2019. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
8.5
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0699
94th percentile
<p>A security feature bypass vulnerability exists where a NETLOGON message is able to obtain the session key and sign messages.</p> <p>To exploit this vulnerability, an attacker could send a specially crafted authentication request. An attacker who successfully exploited this vulnerability could access another machine using the original user privileges.</p> <p>The issue has been addressed by changing how NTLM validates network authentication messages.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.3326 | KB4525236 | Nov 12, 2019 |
| Windows 10 Version 1607 for x64-based Systems | 14393.3326 | KB4525236 | Nov 12, 2019 |
| Windows 10 Version 1709 for 32-bit Systems | 16299.1508 | KB4525241 | Nov 12, 2019 |
| Windows 10 Version 1709 for ARM64-based Systems | 16299.1508 | KB4525241 | Nov 12, 2019 |
| Windows 10 Version 1709 for x64-based Systems | 16299.1508 | KB4525241 | Nov 12, 2019 |
| Windows 10 Version 1803 for 32-bit Systems | 17134.1130 | KB4525237 | Nov 12, 2019 |
| Windows 10 Version 1803 for ARM64-based Systems | 17134.1130 | KB4525237 | Nov 12, 2019 |
| Windows 10 Version 1803 for x64-based Systems | 17134.1130 | KB4525237 | Nov 12, 2019 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.864 | KB4523205 | Nov 12, 2019 |
| Windows 10 Version 1809 for ARM64-based Systems | 17763.864 | KB4523205 | Nov 12, 2019 |
| Windows 10 Version 1809 for x64-based Systems | 17763.864 | KB4523205 | Nov 12, 2019 |
| Windows 10 Version 1903 for 32-bit Systems | KB4524570 | Nov 12, 2019 | |
| Windows 10 Version 1903 for ARM64-based Systems | KB4524570 | Nov 12, 2019 | |
| Windows 10 Version 1903 for x64-based Systems | KB4524570 | Nov 12, 2019 | |
| Windows 10 for 32-bit Systems | 10240.18395 | KB4525232 | Nov 12, 2019 |
| Windows 10 for x64-based Systems | 10240.18395 | KB4525232 | Nov 12, 2019 |
| Windows 7 for 32-bit Systems Service Pack 1 | KB4525235 | Nov 12, 2019 | |
| Windows 7 for 32-bit Systems Service Pack 1 | KB4525233 | Nov 12, 2019 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB4525235 | Nov 12, 2019 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB4525233 | Nov 12, 2019 | |
| Windows 8.1 for 32-bit systems | KB4525243 | Nov 12, 2019 | |
| Windows 8.1 for 32-bit systems | KB4525250 | Nov 12, 2019 | |
| Windows 8.1 for x64-based systems | KB4525243 | Nov 12, 2019 | |
| Windows 8.1 for x64-based systems | KB4525250 | Nov 12, 2019 | |
| Windows RT 8.1 | KB4525243 | Nov 12, 2019 | |
| Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | KB4525235 | Nov 12, 2019 | |
| Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | KB4525233 | Nov 12, 2019 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4525235 | Nov 12, 2019 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4525233 | Nov 12, 2019 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4525235 | Nov 12, 2019 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4525233 | Nov 12, 2019 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4525234 | Nov 12, 2019 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4525239 | Nov 12, 2019 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB4525234 | Nov 12, 2019 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB4525239 | Nov 12, 2019 | |
| Windows Server 2008 for Itanium-Based Systems Service Pack 2 | KB4525234 | Nov 12, 2019 | |
| Windows Server 2008 for Itanium-Based Systems Service Pack 2 | KB4525239 | Nov 12, 2019 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB4525234 | Nov 12, 2019 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB4525239 | Nov 12, 2019 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB4525234 | Nov 12, 2019 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB4525239 | Nov 12, 2019 | |
| Windows Server 2012 | KB4525253 | Nov 12, 2019 | |
| Windows Server 2012 | KB4525246 | Nov 12, 2019 | |
| Windows Server 2012 (Server Core installation) | KB4525253 | Nov 12, 2019 | |
| Windows Server 2012 (Server Core installation) | KB4525246 | Nov 12, 2019 | |
| Windows Server 2012 R2 | KB4525243 | Nov 12, 2019 | |
| Windows Server 2012 R2 | KB4525250 | Nov 12, 2019 | |
| Windows Server 2012 R2 (Server Core installation) | KB4525243 | Nov 12, 2019 | |
| Windows Server 2012 R2 (Server Core installation) | KB4525250 | Nov 12, 2019 | |
| Windows Server 2016 | 14393.3326 | KB4525236 | Nov 12, 2019 |
| Windows Server 2016 (Server Core installation) | 14393.3326 | KB4525236 | Nov 12, 2019 |
| Windows Server 2019 | 17763.864 | KB4523205 | Nov 12, 2019 |
| Windows Server 2019 (Server Core installation) | 17763.864 | KB4523205 | Nov 12, 2019 |
| Windows Server, version 1803 (Server Core Installation) | 17134.1130 | KB4525237 | Nov 12, 2019 |
| Windows Server, version 1903 (Server Core installation) | KB4524570 | Nov 12, 2019 | |
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